SELECT
	d.Name AS [Department name],
	e.JobTitle,
	STUFF((SELECT ',' + e.FirstName), 1, 1, '') AS [First name],
	MIN(Salary) AS [Minimum salary]
		FROM Employees e
	JOIN Departments d
        ON e.DepartmentID = d.DepartmentID
	GROUP BY
		d.Name,
		e.JobTitle,
		e.FirstName